A father and daughter rest while someone holds their place in a long queue to buy basic foodstuffs at a supermarket in San Cristobal, Venezuela. Shortage of such products as flour, milk and sugar have made life increasingly difficult for residents in the area, which has been a focal point for anti-government protests for almost a month. Photograph: John Moore/Getty Images

A Palestinian woman walks away from teargas during clashes with Israeli security forces, after a rally marking International Women's Day at Qalandiya checkpoint near the West Bank city of Ramallah. Photograph: Mohamad Torokman/Reuters